If available, see below for a list of known fire department frequencies for Hardin County in Iowa. Or, navigate to your city or town to view your local city and/or fire department frequencies within Hardin County, Iowa.
| Ackley | Alden | Buckeye | Eldora | |
| Hubbard | Iowa Falls | New Providence | Owasa | |
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| Radcliffe | Steamboat Rock | Union | Whitten | |